CN109135502A - A kind of water-based anticorrosive paint and preparation and the application in concrete structure protection field - Google Patents
A kind of water-based anticorrosive paint and preparation and the application in concrete structure protection field Download PDFInfo
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- CN109135502A CN109135502A CN201810753471.8A CN201810753471A CN109135502A CN 109135502 A CN109135502 A CN 109135502A CN 201810753471 A CN201810753471 A CN 201810753471A CN 109135502 A CN109135502 A CN 109135502A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The present invention relates to anticorrosive paint technology fields, and in particular to a kind of water-based anticorrosive paint and preparation and the application in concrete structure protection field.The water-based anticorrosive paint includes first component and second component, wherein, component A includes following components by weight: 10~20 parts of water-base fluorocarbon emulsion, 10~20 parts of aqueous silane lotion, 40~60 parts of aqueous epoxy emulsion, 5~10 parts of kaolin, 10~15 parts of talcum powder, 5~10 parts of blanc fixe, 0.5~1.2 part of wetting dispersing agent, 0.5~2 part of defoaming agent, 0.1~0.5 part of neutralizer, 3~10 parts of coalescing agent, 0.1~0.5 part of thickener and 7~15 parts of water, second group is divided into aqueous alicyclic ring amine hardener.The coating has both two kinds of functions of seal coat and finishing coat, has excellent weatherability, adhesive force, alkali resistance and concrete permeability, environmental pollution is small, can be widely applied on urban viaduct concrete structure.
Description
Technical field
The present invention relates to anticorrosive paint technology fields, and in particular to a kind of water-based anticorrosive paint and preparation in concrete knot
Application in structure protection field.
Background technique
The construction and development of urban viaduct are very fast, and the requirement with the public to urban environment and landscape is continuous
It improves, the Water-borne modification anticorrosive coating on all kinds of bridge surfaces increasingly shows its importance.Solvent based coating is because of its good table
Face and comprehensive mechanical property, always by favor (status [J] the Shanghai coating .2016 of the China Ji Jianxia water paint, 54
(5):38-41).But its higher cost, and it is organic containing a large amount of volatility in middle low-solid-content solvent based coating use process
Compound (VOC), health and ambient enviroment to construction personnel bring serious endanger (to thank to nation's column water paint in highway work
Typical case and progress [J] China coating .2017,32 (4): 6-10 in Cheng Hangye).
Bridge concrete structure has many minim channels or hole, is easy by acid rain, low temperature freeze thawing, deicing salt (deicing
Salt), the corrosion of mould, algae bio, so that concrete is lost durability.After some substances enter inside concrete, it may occur that anti-
It answers, leads to the expansion of concrete structure, force its cracking.Corrosion factor (i.e. moisture, oxygen and chloride ion etc.) infilters concrete,
Lead to steel bar corrosion, further results in deterioration (Guo Wenhua Analysis of anticorrosive painting of urban concrete bridge structure [J] of concrete
Shanxi architecture .2007,33 (21): 86-87).Therefore, corrosion protection is carried out to concrete structure, the use of surface covering is most
One of important preventive means.
Chinese patent CN103045041A discloses a kind of concrete bridge structure surfacecti proteon painting based on pure-acrylic emulsion
Layer material and preparation method thereof.The coating has very strong anti-carbonation properties and anti-aging property, while painting process is more simple
It is single.But acrylic copolymer emulsions have the shortcomings that poor adhesive force, alkali resistance are weak, while larger (the general cream of emulsion particle diameter
Liquid partial size is 0.1~10 μm), it is difficult to penetrate into the tiny pore inside ground, good sealing effect cannot be played.
Chinese patent CN107418327A discloses a kind of osmosis type Water-base epoxy waterproof paint and preparation method thereof.The painting
The features such as material has permeability strong, and adhesion strength is good, and flexibility is good, can permeate rehabilitating concrete surface crack and pore,
Concrete topping is set to form the integral waterproofing structure sheaf of one layer of sealing.But the weather resistance of epoxy resin, UV resistance compared with
Difference cannot individually make the corrosion-inhibiting coating of bridge, it is necessary to the excellent resin of weather resistance be matched, to increase construction road
Number.
Chinese patent CN102993946A discloses a kind of aqueous fluorine silicon resin modified acroleic acid concrete protective coating.It should
Coating utilizes the super-weathering resistance of fluorine emulsion, and the permeability and durability of resin emulsion and weatherability without soap pure-acrylic emulsion are dredged
It is aqueous that long-effective protection is carried out to concrete.The system is by one-component lotion physical film deposition, and polymer colloidal particles are in coalescing agent
The lower softening of effect and then mutual extrusion film forming, cause paint film not close, and gap is larger more, the paint such as easily cause the accumulation of salt in the surface soil, saltout
Film disadvantage.
Summary of the invention
For overcome the deficiencies in the prior art and disadvantage, the primary purpose of the present invention is that it provides a kind of water-repellent preservation applies
Material, the coating have both seal coat and face using aqueous fluorinated silicone modified epoxy emulsion and aqueous alicyclic ring amine hardener as film forming matter
Two kinds of functions are painted, with excellent weatherability (ageing-resistant time >=2000h) and adhesive force (average adhesive force >=5MPa)；And it should
Coating has excellent alkaline resistance properties (resistance to saturation Ca (OH)2Up to 90 days) and concrete permeability (penetration depth >=2mm), to ring
Border pollution is small, and volatile organic matter (VOC) content is extremely low, brushes and can reach effectively anti-corrosion effect together, reduction is constructed into
This.
Another object of the present invention is to provide the preparation methods of above-mentioned water-based anticorrosive paint.
A further object of the present invention is to provide application of the above-mentioned water-based anticorrosive paint in concrete structure protection field.
The purpose of the invention is achieved by the following technical solution:
A kind of water-based anticorrosive paint includes first component and second component, wherein the component A include it is following by weight
The component of meter:
The second group is divided into aqueous alicyclic ring amine hardener；
The mass ratio of first, the second component is (1.6~7.5): 1；
The water-base fluorocarbon emulsion is preferably at least one of CF-801, HD-830 and PF-919；
The aqueous silane lotion is preferably n-octytriethoxysilane, waterborne organic silicon resin 8005 and FS-150
At least one of；
The aqueous epoxy emulsion is preferably CTW-6064, STW-600 and EPIKOTE Resion 6530-WH-53A
At least one of；
The wetting dispersing agent is preferably at least one of BYK-190, Tego747w and Surfynol 104E；
The defoaming agent is preferably at least one of Tego810, BYK-011, BYK-012 and BASF SI2292；
The neutralizer be preferably in ammonium hydroxide (28wt%), AMP-95, triethylamine and N, N- dimethylethanolamine extremely
Few one kind；
The coalescing agent is preferably in alcohol ester 12, butyl, dipropylene glycol methyl ether, propylene glycol and ethyl alcohol
At least one；
The thickener is preferably at least one of BASF 1190, RM-8W, RM-12W and Bentone LT；
The aqueous alicyclic ring amine hardener is preferably CTW-6061 (B), STW-703B and EPIKURET M6870-W-53
At least one of；
The preparation method of the water-based anticorrosive paint, comprises the following steps:
(1) the defibrination stage: wetting dispersing agent, defoaming agent, neutralizer and part water being mixed, stirs at low speed and is uniformly dispersed,
Then kaolin, talcum powder and blanc fixe, high-speed stirred is added to be uniformly dispersed, is then ground to fineness≤40 μm, obtains mixed
Close object I；
(2) letdown phase: water-base fluorocarbon emulsion, aqueous silane lotion and aqueous epoxy emulsion being mixed, stirred at low speed down,
It is slowly added to mixture I made from step (1), then moderate-speed mixer is uniformly dispersed；Coalescing agent and thickener are added, is dispersed
Uniformly, it is eventually adding remaining water adjustment viscosity, obtains component A；
(3) component A and component B are mixed, stirs evenly, obtains water-based anticorrosive paint；
Dispersion described in step (1) and step (2) carries out preferably in dispersion tank；
The condition that dispersion is stirred at low speed described in step (1) is preferably that 300~500r/min disperses 5~10min；
The condition of the dispersion of high-speed stirred described in step (1) is preferably that 1000~1200r/min disperses 10~20min；
Grinding described in step (1) carries out preferably in grinder；
Preferably 300~500r/min stirring is stirred at low speed described in step (2)；
The condition of the dispersion of moderate-speed mixer described in step (2) is preferably that 600~900r/min disperses 20~40min；
Application of the water-based anticorrosive paint in concrete structure protection field；
The present invention has the following advantages and effects with respect to the prior art:
(1) water-based anticorrosive paint provided by the invention integrates the excellent properties of epoxy resin and fluorine silicon resin, is formed
Cross-linked structure, film is fine and close, and mechanical performance is excellent with antiseptic property.Contain-OH, the alkane in silane resin in epoxy resin
Oxygen groups hydrolyze, and silane molecule is firmly adsorbed in concrete surface and capillary channel.Chemical bond is formed in ground
And hydrogen bond is to enhance sealing effect and adhesive force.
(2) the fluorocarbon resin F-C key bond energy in water-based anticorrosive paint provided by the invention is very big, and ultraviolet light is difficult to decompose；
Silicone resin has the characteristics that excellent durability, and the mutually indepedent reciprocation again simultaneously of each unit provides excellent for concrete surface
Good protection, artificial ageing resistance acceleration time >=2000h.
(3) water-based anticorrosive paint provided by the invention has both two kinds of functions of seal coat and finishing coat, reduces construction times, drop
Low construction cost can be widely applied on urban viaduct concrete structure, arrange with extremely low volatile organic matter (VOC)
It puts, it is environmentally protective.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Embodiment 1
A kind of water-based anticorrosive paint includes first component and second component, wherein the component A include it is following by weight
The component of meter:
The second group is divided into aqueous alicyclic ring amine hardener CTW-6061 (B)；
The preparation method of the water-based anticorrosive paint, comprises the following steps:
(1) the defibrination stage: by the component wetting dispersing agent of water-based anticorrosive paint, neutralizer, defoaming agent and part deionization
Water is added in dispersion tank, and low speed (300r/min) disperses 10min, and kaolin, talcum powder and blanc fixe, high speed is then added
(1000r/min) disperses 20min, and dispersion finishes, is transferred to sand mill and ground, be ground to fineness≤40 μm, obtains mixture I；
(2) letdown phase: by component water-base fluorocarbon emulsion, aqueous silane lotion and the water-base epoxy cream of water-based anticorrosive paint
Liquid is added in dispersion tank, under low speed (300r/min) stirring, is slowly added to mixture I made from step (1), then middling speed
(600r/min) disperses 40min, and dispersion finishes, add coalescing agent and thickener, be uniformly dispersed, be eventually adding residue go from
Sub- water adjusts viscosity, obtains component A；
(3) component A and component B then stir evenly with paint according to mass ratio 5:1, obtain water-repellent preservation painting
Material.
Embodiment 2
A kind of water-based anticorrosive paint includes first component and second component, wherein the component A include it is following by weight
The component of meter:
The second group is divided into aqueous alicyclic ring amine hardener STW-703B；
The preparation method of the water-based anticorrosive paint, comprises the following steps:
(1) the defibrination stage: by the component wetting dispersing agent of water-based anticorrosive paint, neutralizer, defoaming agent and part deionization
Water is added in dispersion tank, and low speed (400r/min) disperses 8min, and kaolin, talcum powder and blanc fixe, high speed is then added
(1200r/min) disperses 15min, and dispersion finishes, is transferred to sand mill and ground, be ground to fineness≤40 μm, obtains mixture I；
(2) letdown phase: by component water-base fluorocarbon emulsion, aqueous silane lotion and the water-base epoxy cream of water-based anticorrosive paint
Liquid is added in dispersion tank, under low speed (500r/min) stirring, is slowly added to mixture I made from step (1), then middling speed
(700r/min) disperses 25min, and dispersion finishes, add coalescing agent and thickener, be uniformly dispersed, be eventually adding residue go from
Sub- water adjusts viscosity, obtains component A；
(3) component A and component B then stir evenly with paint, obtain water-repellent preservation according to mass ratio 1.6:1
Coating.
Embodiment 3
A kind of water-based anticorrosive paint includes first component and second component, wherein the component A include it is following by weight
The component of meter:
The second group is divided into aqueous alicyclic ring amine hardener EPIKURET M6870-W-53；
The preparation method of the water-based anticorrosive paint, comprises the following steps:
(1) the defibrination stage: by the component wetting dispersing agent of water-based anticorrosive paint, neutralizer, defoaming agent and part deionization
Water is added in dispersion tank, and low speed (500r/min) disperses 5min, and kaolin, talcum powder and blanc fixe, high speed is then added
(1200r/min) disperses 20min, and dispersion finishes, is transferred to sand mill and ground, be ground to fineness≤40 μm, obtains mixture I；
(2) letdown phase: by component water-base fluorocarbon emulsion, aqueous silane lotion and the water-base epoxy cream of water-based anticorrosive paint
Liquid is added in dispersion tank, under low speed (500r/min) stirring, is slowly added to mixture I made from step (1), then middling speed
(850r/min) disperses 30min, and dispersion finishes, add coalescing agent and thickener, be uniformly dispersed, be eventually adding residue go from
Sub- water adjusts viscosity, obtains component A；
(3) component A and component B then stir evenly with paint, obtain water-repellent preservation according to mass ratio 7.5:1
Coating.
Effect example
According to GB/T1728, GB/T6742, GB/T1732, GB/T5210, GB/T9274, GB/T1733, JG/T25-1999
Detected respectively with GB/T14522 drying time of water-based anticorrosive paint made from Examples 1 to 3, bending property, impact resistance,
Adhesive force, alkali resistance, water resistance, temperature-change resistance, Q-UV ageing properties etc., the results are shown in Table 1.
Water-based anticorrosive paint made from Examples 1 to 3 has excellent weatherability (ageing-resistant time >=2000h) and attachment
Power (average adhesive force >=5MPa)；And the coating has excellent alkaline resistance properties (resistance to saturation Ca (OH)2Up to 90 days) and concrete
Permeability (penetration depth >=2mm), environmental pollution is small, and volatile organic matter (VOC) content is extremely low, and brush can reach together
Effectively anti-corrosion effect reduces construction cost.
The performance evaluation of water-based anticorrosive paint made from 1 Examples 1 to 3 of table
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of water-based anticorrosive paint, it is characterised in that include first component and second component, wherein the component A includes as follows
Component by weight:
The second group is divided into aqueous alicyclic ring amine hardener；
The mass ratio of first, the second component is (1.6~7.5): 1.
2. water-based anticorrosive paint according to claim 1, it is characterised in that:
The water-base fluorocarbon emulsion is at least one of CF-801, HD-830 and PF-919.
3. water-based anticorrosive paint according to claim 1, it is characterised in that:
The aqueous silane lotion be n-octytriethoxysilane, waterborne organic silicon resin 8005 and FS-150 at least
It is a kind of.
4. water-based anticorrosive paint according to claim 1, it is characterised in that:
The aqueous epoxy emulsion is any one of CTW-6064, STW-600 and EPIKOTE Resion 6530-WH-53A
Kind composition.
5. water-based anticorrosive paint according to claim 1, it is characterised in that:
The wetting dispersing agent is at least one of BYK-190, Tego747w and Surfynol 104E；
The defoaming agent is at least one of Tego810, BYK-011, BYK-012 and BASF SI2292.
6. water-based anticorrosive paint according to claim 1, it is characterised in that:
The neutralizer is ammonium hydroxide, AMP-95, triethylamine and N, at least one of N- dimethylethanolamine；
The coalescing agent is at least one in alcohol ester 12, butyl, dipropylene glycol methyl ether, propylene glycol and ethyl alcohol
Kind.
7. water-based anticorrosive paint according to claim 1, it is characterised in that:
The thickener is at least one of BASF 1190, RM-8W, RM-12W and Bentone LT.
8. water-based anticorrosive paint according to claim 1, it is characterised in that:
The aqueous alicyclic ring amine hardener is CTW-6061 (B), in STW-703B and EPIKURET M6870-W-53 at least
It is a kind of.
9. the preparation method of water-based anticorrosive paint according to any one of claims 1 to 8, characterized by comprising the steps of:
(1) the defibrination stage: wetting dispersing agent, defoaming agent, neutralizer and part water are mixed, stirs at low speed and is uniformly dispersed, then
Kaolin, talcum powder and blanc fixe, high-speed stirred is added to be uniformly dispersed, is then ground to fineness≤40 μm, obtains mixture
Ⅰ；
(2) letdown phase: water-base fluorocarbon emulsion, aqueous silane lotion and aqueous epoxy emulsion are mixed, stirred at low speed down, slowly
Mixture I made from step (1) is added, then moderate-speed mixer is uniformly dispersed；Coalescing agent and thickener are added, dispersion is equal
It is even, it is eventually adding remaining water adjustment viscosity, obtains component A；
(3) component A and component B are mixed, stirs evenly, obtains water-based anticorrosive paint.
10. application of the water-based anticorrosive paint according to any one of claims 1 to 8 in concrete structure protection field.
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| CN201810753471.8A CN109135502A (en) | 2018-07-10 | 2018-07-10 | A kind of water-based anticorrosive paint and preparation and the application in concrete structure protection field |
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| CN201810753471.8A CN109135502A (en) | 2018-07-10 | 2018-07-10 | A kind of water-based anticorrosive paint and preparation and the application in concrete structure protection field |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374791A (en) * | 2020-11-20 | 2021-02-19 | 内蒙古电力（集团）有限责任公司巴彦淖尔电业局 | Anticorrosion additive for all telegraph pole in high saline-alkali area and preparation method thereof |
| CN112521833A (en) * | 2020-12-11 | 2021-03-19 | 中国科学院兰州化学物理研究所 | Water-based anticorrosive paint for metal matrix and application thereof |
| CN113444447A (en) * | 2021-06-24 | 2021-09-28 | 岳阳市高知建筑材料有限公司 | Water-based paint with strong corrosion resistance and production process thereof |
| CN113881308A (en) * | 2021-09-22 | 2022-01-04 | 无锡绿环交通科技有限公司 | Single-component second-order reaction water-based epoxy closed emulsion for bridge deck concrete |
| CN116285597A (en) * | 2023-02-16 | 2023-06-23 | 上铁芜湖高新材料技术有限公司 | High-speed railway bridge concrete defect repairing and carbonization preventing material and construction method thereof |
| CN116554758A (en) * | 2023-05-24 | 2023-08-08 | 上海固密特新材料科技有限公司 | Fluorine modified high polymer roughening-reducing protective coating suitable for hydraulic building |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374791A (en) * | 2020-11-20 | 2021-02-19 | 内蒙古电力（集团）有限责任公司巴彦淖尔电业局 | Anticorrosion additive for all telegraph pole in high saline-alkali area and preparation method thereof |
| CN112521833A (en) * | 2020-12-11 | 2021-03-19 | 中国科学院兰州化学物理研究所 | Water-based anticorrosive paint for metal matrix and application thereof |
| CN113444447A (en) * | 2021-06-24 | 2021-09-28 | 岳阳市高知建筑材料有限公司 | Water-based paint with strong corrosion resistance and production process thereof |
| CN113881308A (en) * | 2021-09-22 | 2022-01-04 | 无锡绿环交通科技有限公司 | Single-component second-order reaction water-based epoxy closed emulsion for bridge deck concrete |
| CN116285597A (en) * | 2023-02-16 | 2023-06-23 | 上铁芜湖高新材料技术有限公司 | High-speed railway bridge concrete defect repairing and carbonization preventing material and construction method thereof |
| CN116554758A (en) * | 2023-05-24 | 2023-08-08 | 上海固密特新材料科技有限公司 | Fluorine modified high polymer roughening-reducing protective coating suitable for hydraulic building |
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Application publication date: 20190104 |